Returns an object representing the information about a level in the document. 
Namespace: Autodesk.Revit.DB.IFC
Assembly: RevitAPIIFC (in RevitAPIIFC.dll) Version: 24.0.0.0 (24.0.0.0)
Since:  2012 
Syntax
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Parameters
- levelId
- Type: Autodesk.Revit.DBElementId
 The level id.
Return Value
The level information.Remarks
 Level information is currently automatically collected and cached in the ExporterIFC object. This method returns the cached information for a given level, which is often needed during export of particular building elements which reference levels, as well as to implement automatic wall and column splitting. 
Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.ExceptionsArgumentNullException | A non-optional argument was null |